The Ancient EngineersBallantine Books, 1974 - 450 páginas Traces the advancement of early invention and technology from the first recorded engineering project of early Egypt. |
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Página 209
... lead . Leaden pipes were made by rolling a sheet of lead into a cylinder and soldering the edges . Small lead pipes , with an oval or elliptical cross - section , carried water from distributing points at the outlet of each aqueduct to ...
... lead . Leaden pipes were made by rolling a sheet of lead into a cylinder and soldering the edges . Small lead pipes , with an oval or elliptical cross - section , carried water from distributing points at the outlet of each aqueduct to ...
Página 210
... lead . As a result , some stu- dents think that lead poisoning was very common in ancient times , and that some cases of alleged poisoning of ancient notables by their enemies were really cases of lead poison- ing , or else of food ...
... lead . As a result , some stu- dents think that lead poisoning was very common in ancient times , and that some cases of alleged poisoning of ancient notables by their enemies were really cases of lead poison- ing , or else of food ...
Página 292
... lead . The abutments on which the bridge rests , which project from the highest peaks above the bridge , are composed of this substance . Thus the entire interval between the stream banks and the bridge is filled by a mixture of ...
... lead . The abutments on which the bridge rests , which project from the highest peaks above the bridge , are composed of this substance . Thus the entire interval between the stream banks and the bridge is filled by a mixture of ...
Contenido
One The Coming of the Engineers | 1 |
Two The Egyptian Engineers | 18 |
Three The Mesopotamian Engineers | 46 |
Derechos de autor | |
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Términos y frases comunes
Agrippa Alexandria ancient aqueducts Arabs arch Archimedes architect Aristotle armor army Assyrian Athens Babylon became began brick bridge bronze builders building built Byzantine called canal castle catapults centuries China Chinese civilization classical columns Demetrios dome early Egypt Egyptian emperor Empire engineering Europe feet fire Frontinus galleys gear Greek Hadrian Hellenistic Hence Herodotos Heron Heron of Alexandria High Middle Ages horse houses Imhotep India invention iron kings Ktesibios Lake land later Leonardo machine mechanical medieval Mediterranean Mesopotamia Mesopotamian Middle Ages miles mill modern Mongols Muslim Nemi ships oars palaces Persian Philon Philon of Byzantium Phoenicians piers pipes probably Ptolemaios pyramid Renaissance river roads Roman Rome roof rowers sail Sennacherib shaft ships side siege statue stone structure temple took tower Trajan treadwheel tunnel turned vault Vitruvius wall water clock water wheel wooden